Base | Representation |
---|---|
bin | 1110111100100… |
… | …11011011011111 |
3 | 22201221012002020 |
4 | 13132103123133 |
5 | 224044300130 |
6 | 20235231223 |
7 | 3051515142 |
oct | 736233337 |
9 | 281835066 |
10 | 125384415 |
11 | 6485a192 |
12 | 35ba8513 |
13 | 1cc90980 |
14 | 1291c059 |
15 | b01ae10 |
hex | 77936df |
125384415 has 16 divisors (see below), whose sum is σ = 216047328. Its totient is φ = 61727616.
The previous prime is 125384377. The next prime is 125384417. The reversal of 125384415 is 514483521.
It is not a de Polignac number, because 125384415 - 28 = 125384159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125384417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321304 + ... + 321693.
It is an arithmetic number, because the mean of its divisors is an integer number (13502958).
Almost surely, 2125384415 is an apocalyptic number.
125384415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
125384415 is a deficient number, since it is larger than the sum of its proper divisors (90662913).
125384415 is a wasteful number, since it uses less digits than its factorization.
125384415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643018.
The product of its digits is 19200, while the sum is 33.
The square root of 125384415 is about 11197.5182518271. The cubic root of 125384415 is about 500.5120288073.
The spelling of 125384415 in words is "one hundred twenty-five million, three hundred eighty-four thousand, four hundred fifteen".
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